Connected: An Internet Encyclopedia
RFC 950 - Appendix III. Glossary

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### Appendix III. Glossary

Bridge

          A node connected to two or more administratively indistinguishable
          but physically distinct subnets, that automatically forwards
          datagrams when necessary, but whose existence is not known to
          other hosts.  Also called a "software repeater".

Gateway

          A node connected to two or more administratively distinct networks
          and/or subnets, to which hosts send datagrams to be forwarded.

Host Field

          The bit field in an Internet address used for denoting a specific
          host.

Internet

          The collection of connected networks using the IP protocol.

Local Address

          The rest field of the Internet address (as defined in [3]).

Network

          A single Internet network (which may or may not be divided into
          subnets).

Network Number

          The network field of the Internet address.

Subnet

          One or more physical networks forming a subset of an Internet
          network.  A subnet is explicitly identified in the Internet
          address.

Subnet Field

          The bit field in an Internet address denoting the subnet number.
          The bits making up this field are not necessarily contiguous in
          the address.

Subnet Number

          A number identifying a subnet within a network.

Next: Appendix IV. Assigned Numbers

Connected: An Internet Encyclopedia
RFC 950 - Appendix III. Glossary